Allow more control of NpcDialog using the keyboard

The move up and move down keys will now let you navigate the list mode
and change the value on the integer mode.

3 files changed, 23 insertions, 0 deletions

diff --git a/src/game.cpp b/src/game.cpp
index c07d6520..d60a4225 100644
--- a/src/game.cpp
+++ b/src/game.cpp
@@ -582,6 +582,11 @@ void Game::handleInput()
                     if (chatWindow->requestChatFocus())
                         used = true;
                 }
+                if (npcDialog->isVisible())
+                    if (keyboard.isKeyActive(keyboard.KEY_MOVE_UP))
+                        npcDialog->move(1);
+                    else if (keyboard.isKeyActive(keyboard.KEY_MOVE_DOWN))
+                        npcDialog->move(-1);
             }
 
 
diff --git a/src/gui/npcdialog.cpp b/src/gui/npcdialog.cpp
index eeb76b88..3fa86b28 100644
--- a/src/gui/npcdialog.cpp
+++ b/src/gui/npcdialog.cpp
@@ -281,6 +281,22 @@ void NpcDialog::integerRequest(int defaultValue, int min, int max)
     buildLayout();
 }
 
+void NpcDialog::move(int amount)
+{
+    if (mActionState != NPC_ACTION_INPUT)
+        return;
+
+    switch (mInputState)
+    {
+        case NPC_INPUT_INTEGER:
+            mIntField->setValue(mIntField->getValue() + amount);
+            break;
+        case NPC_INPUT_LIST:
+            mItemList->setSelected(mItemList->getSelected() - amount);
+            break;
+    }
+}
+
 void NpcDialog::widgetResized(const gcn::Event &event)
 {
     Window::widgetResized(event);
diff --git a/src/gui/npcdialog.h b/src/gui/npcdialog.h
index bd738e81..ecce0c62 100644
--- a/src/gui/npcdialog.h
+++ b/src/gui/npcdialog.h
@@ -141,6 +141,8 @@ class NpcDialog : public Window, public gcn::ActionListener,
          */
         void integerRequest(int defaultValue = 0, int min = 0, int max = 2000);
 
+        void move(int amount);
+
         /**
          * Called when resizing the window.
          *